Consider an Association Between a Cities Class and a Neighborhoods

question 50

Multiple Choice

Consider an association between a Cities class and a Neighborhoods class in a Unified Modeling Language (UML) Class diagram.The multiplicities next to the Cities class are 1..1 and the multiplicities next to the Neighborhoods class are 1..*.Which of the following is the best way to implement that association in your database?

• A)Post the primary key of Cities as a foreign key in Neighborhoods.
• B)Post the primary key of Neighborhoods as a foreign key in Cities.
• C)Create a linking table.
• D)None of these choices are correct.

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Definitions:

Extern

The extern keyword in C and C++ is used to declare a variable or function in another file, indicating that its definition will be found elsewhere.

Source Code

The original code written by a programmer in a high-level programming language before it is compiled into machine code.

Declaration Statement

A statement in programming that specifies the type and possibly the initial value of one or more variables or constants.

Extern

A keyword in C and C++ programming languages used to declare a variable or function in another file.